title: Asthma: special challenge in the elderly.
mesh_terms: D000336:Aerosols; D000368:Aged; D001249:Asthma / Q000188:drug therapy*; D001507:Beclomethasone / Q000627:therapeutic use; D001993:Bronchodilator Agents / Q000008:administration & dosage / Q000627:therapeutic use; D004205:Cromolyn Sodium / Q000627:therapeutic use; D004334:Drug Administration Schedule; D006801:Humans; D008875:Middle Aged; D012135:Respiratory Sounds
chemical_list: D000336:Aerosols; D001993:Bronchodilator Agents; D001507:Beclomethasone; D004205:Cromolyn Sodium